Siemens SINAMICS G150 - Page 143

Electrical installation
4.10 Other connections
Converter cabinet units
Operating Instructions, 07/2016, A5E03347396A
143
Table 4- 43 Meaning of the controls and displays on the insulation monitor
Position
Meaning
1 INFO key: To request standard information/
ESC key: Back menu function
2 TEST key: Call up self-test
Arrow key up: Parameter change, scroll
3 RESET button: Delete insulation and fault messages
Arrow key down: Parameter change, scroll
4 Menu key: Call up menu system
Enter key: Confirm parameter change
5
Alarm LED 1 lights up: Insulation fault, first alarm threshold reached
6
Alarm LED 2 lights up: Insulation fault, second alarm threshold reached
7
LED lights up: System error present
Connecting
Table 4- 44 Connections on insulation monitor
Terminal
Technical data
A1
Supply voltage via 6 A melting fuse:
88 to 264 V AC, 77 to 286 V DC
A2
L1
Connection of the 3 AC system to be monitored
L2
AK
Connection to coupling device
KE
PE connection
T1
External test button
T2
External test button
R1
External reset key (NC contact or wire jumper otherwise the fault code is not stored)
R2
External reset key (NC contact or wire jumper)
F1
STANDBY with aid of F1, F2 function input:
F2
M+
External kΩ display, analog output (0 ... 400 μA)
M-
External kΩ display, analog output (0 ... 400 μA)
A
Serial interface RS 485
(termination by means of 120 ohm resistor)
B
11
Signaling relay ALARM 1 (mid-position contact)
12
Signaling relay ALARM 1 (NC contact)
14
Signaling relay ALARM 1 (NO contact)
21
Signaling relay ALARM 2 (mid-position contact)
22
Signaling relay ALARM 2 (NC contact)
24
Signaling relay ALARM 2 (NO contact)
Max. connectable cross-section: 2.5 mm²